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Cheap flights from Sydney to San Diego from $643

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 24/3. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — SAN
10 Mar — 17 Mar1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Sydney to San Diego

Enter your travel dates to find the best prices.

Cheapest flights from Sydney to San Diego
Explore the most affordable flight options available from Sydney to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 8 February 2026.

Tue 5/509:20
SYD
-
SAN
1 stop23h 45m
Air Canada
Thu 7/516:45
SAN
-
SYD
1 stop21h 35m
Air Canada
Deal found 6/2$1,040
Fri 13/308:00
SYD
-
SAN
2 stops22h 03m
Air Canada
Thu 19/318:05
SAN
-
SYD
1 stop20h 30m
Air Canada
Deal found 4/2$1,123
Thu 19/211:20
SYD
-
SAN
1 stop25h 04m
Air Canada
Mon 23/212:45
SAN
-
SYD
2 stops32h 55m
Air Canada
Deal found 5/2$1,127
Thu 5/309:00
SYD
-
SAN
2 stops27h 24m
Air Canada
Thu 19/318:05
SAN
-
SYD
1 stop20h 30m
Air Canada
Deal found 4/2$1,234
Mon 23/313:05
SYD
-
SAN
1 stop20h 45m
American Airlines
Mon 30/316:55
SAN
-
SYD
2 stops21h 10m
American Airlines
Deal found 6/2$1,288

Find flight deals from Sydney to San Diego

Discover tips and strategies to find the most affordable flight options for your journey from Sydney (SYD) to San Diego (SAN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 8 February 2026.

Round-trip from

$1,040

One-way from

$643

Popular in

December

Cheapest in

September

Average price

$1,572
Air Canada
  • Air Canada
  • 5/5-7/5
  • 2 total stops
  • 45h 20m total
  • Sydney to San Diego
Search Deals
24/3
  • 24/3
  • 3 total stops
  • 36h 15m total
  • Sydney to San Diego
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($220 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($58 potential savings vs. average return price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Sydney to San Diego that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 647,157 searches. Data last updated 8 February 2026.
Use the filters below to find and compare flights from Sydney to San Diego that are best for you.

Fly from

Sydney

Fly to

San Diego

Route

Depart

Return

Price

SydneySan Diego

SYD - SAN

SYDSAN

Sydney Kingsford Smith

Tue 5/5

09:20-16:05

1 stop23h 45m

San Diego

Thu 7/5

16:45-07:20

1 stop21h 35m

$1,040

SydneySan Diego

SYD - SAN

SYDSAN

Sydney Kingsford Smith

Fri 13/3

08:00-12:03

2 stops22h 03m

San Diego

Thu 19/3

18:05-08:35

1 stop20h 30m

$1,123

SydneySan Diego

SYD - SAN

SYDSAN

Sydney Kingsford Smith

Thu 19/2

11:20-17:24

1 stop25h 04m

San Diego

Mon 23/2

12:45-16:40

2 stops32h 55m

$1,127

SydneySan Diego

SYD - SAN

SYDSAN

Sydney Kingsford Smith

Thu 5/3

09:00-17:24

2 stops27h 24m

San Diego

Thu 19/3

18:05-12:40

2 stops24h 35m

$1,258

SydneySan Diego

SYD - SAN

SYDSAN

Sydney Kingsford Smith

Mon 23/3

13:05-15:50

1 stop20h 45m

San Diego

Mon 30/3

16:55-08:05

2 stops21h 10m

$1,288

SydneySan Diego

SYD - SAN

SYDSAN

Sydney Kingsford Smith

Thu 19/2

11:20-15:49

2 stops23h 29m

San Diego

Mon 23/2

19:42-07:25

2 stops40h 43m

$1,289

SydneySan Diego

SYD - SAN

SYDSAN

Sydney Kingsford Smith

Mon 23/3

14:00-08:15

3 stops36h 15m

$681

SydneySan Diego

SYD - SAN

SYDSAN

Sydney Kingsford Smith

Thu 5/3

14:00-08:18

3 stops37h 18m

$738

SydneySan Diego

SYD - SAN

SYDSAN

Sydney Kingsford Smith

Sun 22/2

21:50-11:50

3 stops57h 00m

$943

SydneySan Diego

SYD - SAN

SYDSAN

Sydney Kingsford Smith

Mon 13/4

17:50-11:57

2 stops35h 07m

$956

Flights are sorted by cheapest return flights first.

Deals found on 4/2

Showing 1-10 of 13 results
1
2

Best time to book a flight from Sydney to San Diego

Have a flexible travel schedule? Discover the best time to fly to San Diego from Sydney with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Sydney to San Diego

How far ahead should I book a flight from Sydney to San Diego?

Use this chart to determine the optimal time to book a return flight from Sydney to San Diego. Price data was last updated on 30 January 2026.

The price you pay for your flight from Sydney to San Diego may vary depending on when you book. For the best chance of a lower fare, look to book 24 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Sydney to San Diego?

Currently, January is the cheapest month in which you can book a flight from Sydney to San Diego (average of $1,060). Flying from Sydney to San Diego in April is currently the most expensive (average of $1,278). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Reviews of airlines servicing San Diego

Get insights into the airlines that provide service to San Diego. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to San Diego. Reviews last updated 8 February 2026.
Read reviews from past customers who have flown with Alaska Airlines, Air New Zealand, andVirgin Australia from Sydney to San Diego. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very Good
11,851 reviews
Check prices

Food

7.1

Overall

8.0

Entertainment

7.0

Comfort

7.8

Crew

8.5

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
Alaska Airlines
8.0
Very Good
11,851 reviews
Alaska Airlines
8.0
Very Good
11,851 reviews
Check prices

Food

7.1

Overall

8.0

Entertainment

7.0

Comfort

7.8

Crew

8.5

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
Air New Zealand
8.0
Very Good
582 reviews
Alaska Airlines
8.0
Very Good
11,851 reviews
Check prices

Food

7.1

Overall

8.0

Entertainment

7.0

Comfort

7.8

Crew

8.5

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
Virgin Australia
7.6
Good
436 reviews
Alaska Airlines
8.0
Very Good
11,851 reviews
Check prices

Food

7.1

Overall

8.0

Entertainment

7.0

Comfort

7.8

Crew

8.5

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
United Airlines
7.4
Good
9,256 reviews
Alaska Airlines
8.0
Very Good
11,851 reviews
Check prices

Food

7.1

Overall

8.0

Entertainment

7.0

Comfort

7.8

Crew

8.5

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
Air Canada
7.1
Good
10,698 reviews
Alaska Airlines
8.0
Very Good
11,851 reviews
Check prices

Food

7.1

Overall

8.0

Entertainment

7.0

Comfort

7.8

Crew

8.5

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading

Related info for your journey

Find useful and relevant information for your journey from Sydney to San Diego. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Sydney to San Diego?

    Air Canada can get you from Sydney to San Diego in just under 23h 45m. Your travel time can differ by up to . The distance from Sydney to San Diego is about 12086 km.

  • What are the cheapest airlines flying from Sydney to San Diego round-trip?

    Hawaiian Airlines, at $605, was found to be the cheapest airline from Sydney to San Diego.Alternate airlines to your destination round-trip include Alaska Airlines and Air Canada. Users have found that Hawaiian Airlines is 60% cheaper than the other options available to this destination.

  • Can I find deals for flights from Sydney to San Diego that include hotel bookings?

    Yes. In addition to deals on Sydney to San Diego flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Sydney to San Diego?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Sydney to San Diego.

  • Can I find deals for business class flights from Sydney to San Diego?

    Yes. Cheapflights offers flight deals from Sydney to San Diego by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Sydney to San Diego?

    Currently, January is the cheapest month in which you can book a flight from Sydney to San Diego (average of $1,060). Flying from Sydney to San Diego in April is currently the most expensive (average of $1,278). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near San Diego?

Book flights to San Diego if you plan to visit one of these locations
San Ysidro

Browse thousands of different options on Cheapflights for your next trip

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Top 6 airlines flying from Sydney to San Diego

Discover the top 6 airlines that operate flights from Sydney to San Diego. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 647,157 searches. Data last updated 8 February 2026.
AirlineCheapestAverageFlexibilityOn-time
Hawaiian AirlinesCheapest$605Average$1,571FlexibilityNo cancel feeOn-time85%
Search Hawaiian Airlines flights
Alaska AirlinesCheapest$1,059Average$1,395FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights
Air CanadaCheapest$1,077Average$1,374FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Air New ZealandCheapest$1,111Average$1,315FlexibilityNo cancel feeOn-time78%
Search Air New Zealand flights
United AirlinesCheapest$1,182Average$1,505FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Virgin AustraliaCheapest$1,468Average$2,267FlexibilityNo cancel feeOn-time80%
Search Virgin Australia flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Sydney to San Diego?

When you search for this flight from Sydney to San Diego, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from Sydney to San Diego?

Cheapflights helps you find that perfect flight to San Diego from Sydney by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Sydney to San Diego with no change fees?

Need flexible booking options for your flight to San Diego from Sydney? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Sydney to San Diego become cheaper?

Yes! Start tracking prices for Sydney to San Diego flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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